Vulnerability in Tianocore Edk2
CVE-2025-3770
EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, an…
EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tianocore Edk2 — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-3770?
- CVE-2025-3770 is a high-severity vulnerability in Tianocore Edk2, classified under Protection Mechanism Failure. CVSS score: 7.0/10. Published 2025-08-07.
- How severe is CVE-2025-3770?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2025-3770 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.